Regulated DRAM cell plate and precharge voltage generator

Details Regulated DRAM cell plate and precharge voltage generator Regulated DRAM cell plate and precharge voltage generator

1998-06-18

2000-05-02

Riley, Shawn

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

G05F 316

Patent

active

060576766

ABSTRACT:
A regulator circuit is provided for use with cell plate voltage generators of memory cell capacitors and precharge bit lines voltage generators in semiconductor memories. The circuit employs a current source coupled to the charging reference voltage whose output is controlled by a level detector, which receives as input a reference level signal and the cell plate voltage. When the cell plate voltage drops below the reference level, the level detector triggers the current source, thereby recovering the cell plate voltage to the reference level. The level detector can be disabled through an input.

REFERENCES:
patent: 5187429 (1993-02-01), Phillips
patent: 5255232 (1993-10-01), Foss et al.
patent: 5734603 (1998-03-01), Tai

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